(2)The proportion of cases with cavity on chest X-ray and sputum smear positive cases were lower in our studied group , contrarily,accompanied with higher frequencies of pleuritis, peritonitis and extra pulmonary tuberculosis.

• (2 )本组病例空洞发生率低 (16 7%25 ；13/78) ；痰涂片阳性率仅 17.；4 %25 (12 / 6 9)；反之；罹患结核性胸膜炎或合并胸、腹、心包腔等浆膜炎者 38